diff --git a/app/test_split_integer.py b/app/test_split_integer.py
index ef3aa668a..f9370bf24 100644
--- a/app/test_split_integer.py
+++ b/app/test_split_integer.py
@@ -2,20 +2,20 @@
 
 
 def test_sum_of_the_parts_should_be_equal_to_value() -> None:
-    pass
+    assert sum(split_integer(97, 25)) == 97
 
 
 def test_should_split_into_equal_parts_when_value_divisible_by_parts() -> None:
-    pass
+    assert split_integer(100, 50) == [2 for _ in range(50)]
 
 
 def test_should_return_part_equals_to_value_when_split_into_one_part() -> None:
-    pass
+    assert split_integer(10, 1) == [10]
 
 
 def test_parts_should_be_sorted_when_they_are_not_equal() -> None:
-    pass
+    assert split_integer(777, 42) == sorted(split_integer(777, 42))
 
 
 def test_should_add_zeros_when_value_is_less_than_number_of_parts() -> None:
-    pass
+    assert 0 in split_integer(20, 94)